<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>医疗数据制图</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            text-align: center;
            margin-top: 50px;
        }
        .button-container {
            margin-top: 20px;
        }
        button {
            padding: 10px 20px;
            margin: 10px;
            font-size: 16px;
            cursor: pointer;
        }
    </style>
</head>
<body>
    <h1>欢迎来到医疗数据制图</h1>
    <p>在这里，您可以查看和分析各种医疗数据。</p>
    <div class="button-container">
        <button onclick="location.href='/function1'">血糖可视化</button>
        <button onclick="location.href='/function2'">心率可视化</button>
        <button onclick="location.href='/function3'">体重可视化</button>
        <button onclick="location.href='/function4'">运动步数可视化</button>
    </div>
</body>
</html>
